Function ng_findhook

freebsd/netgraph/ng_base.c:1124–1137

* Find a hook * * Node types may supply their own optimized routines for finding * hooks. If none is supplied, we just do a linear search. * XXX Possibly we should add a reference to the hook? */

 * XXX Possibly we should add a reference to the hook?
 */
hook_p
ng_findhook(node_p node, const char *name)
{
	hook_p hook;

	if (node->nd_type->findhook != NULL)
		return (*node->nd_type->findhook)(node, name);
	LIST_FOREACH(hook, &node->nd_hooks, hk_hooks) {
		if (NG_HOOK_IS_VALID(hook) &&
		    (strcmp(NG_HOOK_NAME(hook), name) == 0))
			return (hook);
	}
	return (NULL);
}

/*
 * Destroy a hook